Chair



FIG. 1 is a front perspective view of a chair showing my design;

FIG. 2 is a side elevation of the chair, the opposite side being the same;

FIG. 3 is a front elevation of the chair;

FIG. 4 is a rear elevation of the chair; and

FIG. 5 is a top plan view of the chair. 

The ornamental design for a chair, substantially as shown and described. 